Mathematics is the language in which the universe is written.
问题的真实本质往往被其表面现象所掩盖。
Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
I don’t let hate distract me, I let it fuel me.